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186 exact matches jobs are outside your preferred location
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Location: London - 1x a month - Salary: Up to £120,000 (D.O.E) + benefits - Fruition Group are partnering with a high-growth Insurtech unicorn that's scaling its engineering function. This is a unique chance to work across both proven, revenue-generating products and greenfield initiatives that are reshaping the future of insurance. It's an ideal role for a driven Lead Engineer who thrives in ambitious environments and wants to make a tangible impact. As a Lead Backend Engineer, you'll take ownership of designing and scaling cloud-native backend systems. You'll work primarily with Python (FastAPI) and play a key role in shaping the architecture of microservices that support millions of users. Beyond hands-on development, you'll provide technical leadership, mentor team members, and influence strategic engineering decisions.
Location: London - 1x a month - Salary: Up to £120,000 (D.O.E) + benefits - Fruition Group are partnering with a high-growth Insurtech unicorn that's scaling its engineering function. This is a unique chance to work across both proven, revenue-generating products and greenfield initiatives that are reshaping the future of insurance. It's an ideal role for a driven Lead Engineer who thrives in ambitious environments and wants to make a tangible impact. As a Lead Backend Engineer, you'll take ownership of designing and scaling cloud-native backend systems. You'll work primarily with Python (FastAPI) and play a key role in shaping the architecture of microservices that support millions of users. Beyond hands-on development, you'll provide technical leadership, mentor team members, and influence strategic engineering decisions.
Location: London - 1x a month - Salary: Up to £95,000 (D.O.E) + benefits - Fruition Group working with a leading Insurtech unicorn on a mission to transform the insurance industry. Their products have already generated millions in revenue, and now they're investing heavily in new innovations that will shape the sector for years to come. This is an exciting opportunity for a motivated Senior Engineer who wants to grow in a high-performing, forward-thinking business. As a Senior Backend Engineer, you'll play a central role in building and scaling the systems that power their insurance platform. You'll focus on developing Python-based cloud microservices (FastAPI preferred), contributing to the architecture of resilient, high-performance systems, and collaborating with a cross-functional team to deliver features at pace.
Location: London - 1x a month - Salary: Up to £95,000 (D.O.E) + benefits - Fruition Group working with a leading Insurtech unicorn on a mission to transform the insurance industry. Their products have already generated millions in revenue, and now they're investing heavily in new innovations that will shape the sector for years to come. This is an exciting opportunity for a motivated Senior Engineer who wants to grow in a high-performing, forward-thinking business. As a Senior Backend Engineer, you'll play a central role in building and scaling the systems that power their insurance platform. You'll focus on developing Python-based cloud microservices (FastAPI preferred), contributing to the architecture of resilient, high-performance systems, and collaborating with a cross-functional team to deliver features at pace.
We are seeking an experienced Front-end Engineer to help build and evolve a web-based platform for reinforcement learning (RL) training and RLOps. You will design, implement, and optimise user-facing interfaces and front-end systems that support large-scale RL model development and deployment. Responsibilities * Develop scalable, reliable front-end architecture for an RL training and management platform * Translate requirements into high-quality user interfaces and workflows * Collaborate with designers and engineers to implement visual design within brand guidelines * Ensure cross-browser and cross-device compatibility, resolving UI/UX issues * Optimise performance, including load times and runtime efficiency * Ensure accessibility compliance (e.g., WCAG) * Identify and resolve user-facing bugs and usability issues
We are seeking an experienced Front-end Engineer to help build and evolve a web-based platform for reinforcement learning (RL) training and RLOps. You will design, implement, and optimise user-facing interfaces and front-end systems that support large-scale RL model development and deployment. Responsibilities * Develop scalable, reliable front-end architecture for an RL training and management platform * Translate requirements into high-quality user interfaces and workflows * Collaborate with designers and engineers to implement visual design within brand guidelines * Ensure cross-browser and cross-device compatibility, resolving UI/UX issues * Optimise performance, including load times and runtime efficiency * Ensure accessibility compliance (e.g., WCAG) * Identify and resolve user-facing bugs and usability issues
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We're seeking an experienced Senior Full Stack Developer to join our clients expanding technology team. In this role, you'll be instrumental in designing, developing, and maintaining high-quality, scalable web applications. You'll work across the full stack, collaborating closely with colleagues to deliver impactful, user-focused solutions. Key Responsibilities * Develop and maintain modern web applications using C# .NET (Core/Framework) and React. * Work with cross-functional teams to define requirements and deliver new features. * Write clean, scalable, and well-tested code. * Diagnose and resolve application issues to ensure optimal performance. You will have - * 3+ years' experience as a Full Stack Developer. * Strong hands-on expertise with C# .NET (Core) and React. * Good understanding of REST APIs, SQL/NoSQL databases, and Git version control.
We're seeking an experienced Senior Full Stack Developer to join our clients expanding technology team. In this role, you'll be instrumental in designing, developing, and maintaining high-quality, scalable web applications. You'll work across the full stack, collaborating closely with colleagues to deliver impactful, user-focused solutions. Key Responsibilities * Develop and maintain modern web applications using C# .NET (Core/Framework) and React. * Work with cross-functional teams to define requirements and deliver new features. * Write clean, scalable, and well-tested code. * Diagnose and resolve application issues to ensure optimal performance. You will have - * 3+ years' experience as a Full Stack Developer. * Strong hands-on expertise with C# .NET (Core) and React. * Good understanding of REST APIs, SQL/NoSQL databases, and Git version control.
We're seeking an experienced Senior Full Stack Developer to join our clients expanding technology team. In this role, you'll be instrumental in designing, developing, and maintaining high-quality, scalable web applications. You'll work across the full stack, collaborating closely with colleagues to deliver impactful, user-focused solutions. Key Responsibilities * Develop and maintain modern web applications using C# .NET (Core/Framework) and React. * Work with cross-functional teams to define requirements and deliver new features. * Write clean, scalable, and well-tested code. * Diagnose and resolve application issues to ensure optimal performance. You will have - * 3+ years' experience as a Full Stack Developer. * Strong hands-on expertise with C# .NET (Core) and React. * Good understanding of REST APIs, SQL/NoSQL databases, and Git version control.
We're seeking an experienced Senior Full Stack Developer to join our clients expanding technology team. In this role, you'll be instrumental in designing, developing, and maintaining high-quality, scalable web applications. You'll work across the full stack, collaborating closely with colleagues to deliver impactful, user-focused solutions. Key Responsibilities * Develop and maintain modern web applications using C# .NET (Core/Framework) and React. * Work with cross-functional teams to define requirements and deliver new features. * Write clean, scalable, and well-tested code. * Diagnose and resolve application issues to ensure optimal performance. You will have - * 3+ years' experience as a Full Stack Developer. * Strong hands-on expertise with C# .NET (Core) and React. * Good understanding of REST APIs, SQL/NoSQL databases, and Git version control.
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Job Title: Observability Developer / Engineer - Location: Hybrid (UK, with travel as required) Employment Type: Full-time - This role is with Morela please respond to for further informaiton - Do you want to be part of something special? Morela is proud to represent our exclusive client, a fast-growing start-up transforming Service Operations. Led by industry leaders with a proven track record of building and scaling successful businesses, this company is redefining how enterprises monitor, manage, and optimise IT operations. This is your chance to join a team shaping the future of observability and operational intelligence from the ground up. We are seeking a skilled Observability Developer to design, build, and optimise observability solutions that help enterprise clients gain actionable insights from their logs, metrics, traces, and events.
Job Title: Observability Developer / Engineer - Location: Hybrid (UK, with travel as required) Employment Type: Full-time - This role is with Morela please respond to for further informaiton - Do you want to be part of something special? Morela is proud to represent our exclusive client, a fast-growing start-up transforming Service Operations. Led by industry leaders with a proven track record of building and scaling successful businesses, this company is redefining how enterprises monitor, manage, and optimise IT operations. This is your chance to join a team shaping the future of observability and operational intelligence from the ground up. We are seeking a skilled Observability Developer to design, build, and optimise observability solutions that help enterprise clients gain actionable insights from their logs, metrics, traces, and events.
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The successful applicant will have comprehensive expertise in Microsoft Azure services, Web API, Azure App Service, .NET Core, and Visual Studio. * Design and implement scalable cloud solutions utilizing Azure App Service, Web API, and .NET Core. * Define architecture patterns for microservices, API management, and integration with enterprise systems. * Utilize Azure Functions, Azure Logic Apps, Azure API Management, and Azure Storage to develop robust applications. * Expertise in Microsoft Azure services, including App Service, Functions, API Management, Storage, and Networking. * Strong knowledge of .NET Core, Web API, C#, and Visual Studio.
The successful applicant will have comprehensive expertise in Microsoft Azure services, Web API, Azure App Service, .NET Core, and Visual Studio. * Design and implement scalable cloud solutions utilizing Azure App Service, Web API, and .NET Core. * Define architecture patterns for microservices, API management, and integration with enterprise systems. * Utilize Azure Functions, Azure Logic Apps, Azure API Management, and Azure Storage to develop robust applications. * Expertise in Microsoft Azure services, including App Service, Functions, API Management, Storage, and Networking. * Strong knowledge of .NET Core, Web API, C#, and Visual Studio.
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Senior Backend Engineer
Senior Backend Engineer
Plexus Resource Solutions Ltd
City of London (EC1)
From £60,000 to £100,000 per annum
Use Rest API with Python
Use Rest API with Python
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Expertise in system and API design, scalability, and performance tuning
Expertise in system and API design, scalability, and performance tuning
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Senior Frontend Developer
Senior Frontend Developer
Pathfinder Business Solutions Ltd
Milton Keynes (MK9), MK9 3QA
From £50,000 to £60,000 per annum Full Benefits Pack
REST-based API development
REST-based API development
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Senior Full Stack Engineer
Senior Full Stack Engineer
McGregor Boyall Associates Limited
City of London (EC1)
£80000 - £120000 per annum + bonus
Strong knowledge of system design principles, scalable architecture patterns, and API design.
Strong knowledge of system design principles, scalable architecture patterns, and API design.
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Integration & API Testing - proficiency with REST/OData service testing using tools like Postman or SoapUI
Integration & API Testing - proficiency with REST/OData service testing using tools like Postman or SoapUI
Build, fine-tune, and evaluate LLM-based Q&A models using frameworks like AWS Bedrock, Langchain, HuggingFace Transformers or OpenAI API.
Build, fine-tune, and evaluate LLM-based Q&A models using frameworks like AWS Bedrock, Langchain, HuggingFace Transformers or OpenAI API.
Microservices architecture, API-first approach, containerisation (Docker/Kubernetes), CI/CD pipelines * Knowledge of integration patterns, API gateways, and cloud-native deployments
Microservices architecture, API-first approach, containerisation (Docker/Kubernetes), CI/CD pipelines * Knowledge of integration patterns, API gateways, and cloud-native deployments
Machine Learning Engineer (Reinforcement Learning)
Machine Learning Engineer (Reinforcement Learning)
FBI &TMT
City of London, London
Up to £85000.00 per annum
Familiarity with model deployment and management, including API development, deployment pipelines, and performance optimisation.
Familiarity with model deployment and management, including API development, deployment pipelines, and performance optimisation.
API Management gateways
API Management gateways
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Data exchange and processing skills (e.g. ETL, ESB, API...)
Data exchange and processing skills (e.g. ETL, ESB, API...)
FEATURED
Design, develop, and deliver custom solutions within Planon's API framework.
Design, develop, and deliver custom solutions within Planon's API framework.
FEATURED
Design, develop, and deliver custom solutions within Planon's API framework.
Design, develop, and deliver custom solutions within Planon's API framework.
FEATURED
)
Infrastructure: AWS (Aurora, Redis, DynamoDB, S3, SNS, SQS, CloudFront, API Gateway)
Infrastructure: AWS (Aurora, Redis, DynamoDB, S3, SNS, SQS, CloudFront, API Gateway)
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The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
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Front-End QA Tester
Front-End QA Tester
REC SOLUTIONS LIMITED
The City, City of London (EC4), EC4N
Competitive base Plus Discretionary Bonus and Benefits
API testing experience (REST/GraphQL) - both automated and manual * Python knowledge (for backend/API testing)
API testing experience (REST/GraphQL) - both automated and manual * Python knowledge (for backend/API testing)
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You consider things like API documentation, SDK functionality, and developer onboarding and can speak the language of a developer.
You consider things like API documentation, SDK functionality, and developer onboarding and can speak the language of a developer.
)
Comfortable working with API-driven products or infrastructure.
Comfortable working with API-driven products or infrastructure.
)
Experience with relational databases and API design.
Experience with relational databases and API design.
Related Jobs
Locations
- London
- Cambridgeshire
- City of London
- Oxford
- Norwich
- East Anglia
- Bedfordshire
- Milton Keynes
- Bicester
- Ipswich
- Birmingham
- Leeds
- East Midlands
- Yorkshire
- West Midlands
- Lancashire
- Reading
- Bristol
- Midlands
- Sheffield
- Surrey
- Edinburgh
- Belfast
- Derby
- Glasgow
- York
- Walsall
- Doncaster
- Wales
- Basingstoke
- Witney
- Cardiff
- Nottingham
- Liverpool
- Bournemouth